#include <sys/types.h>
#include <fcntl.h>
#include "ourhdr1.h"

int main(int argc, char *argv[])
{
	if(argc != 2)
	{
		err_quit("usage: a.out <pathname>");
	}

	if(access(argv[1], R_OK) < 0)
	{
		err_ret("access error for %s", argv[1]);
	}
	else
	{
		printf("read access OK\n");
	}

	if(open(argv[1], O_RDONLY) < 0)
	{
		err_ret("open error for %s", argv[1]);
	}
	else
	{
		printf("open for reading OK\n");
	}

	exit(0);
}
